start at the document containing the link make it MUCH easier to move web pages around as a group Use relative path when two files are more likely to be moved together 6. Styles CSS: describes how HTML elements are to be displayed on screen, paper, or in other media . Logical Tags <strong>, <em>, <p>, <ol> Browsers decide how to render them Physical Tags <b>, <i>
Browsers have no choice <DIV> Is replacement for <p> With no default properties Cause line break <SPAN> Inline level tag/inline element With no built-in properties Do not cause line break Classes vs IDs Classes Can be used any number of times Can be used by many tags, which share its meaning IDs Should only be used once Uniquely identify a tag 7. Interpretation <img SRC="stairwaystitle.gif" WIDTH=350 HEIGHT=70> Relative path to an an image, source from stairwaystitle.gif with width 350 and height 70. SRC attribute specifies the URL (web address) of the image <A HREF=""> Stairways Announce List</A> Link text: Stairways Announce List; visible part. Destination address: cgi: Common Gateway Interface identify the particular application to which form data should be sent for processing
When the submit button is pressed, the data is sent to a web server, the web server forwards the data to a cgi, the cgi processes the data and returns a web page to the server, the server passes that response on to the browser <option value=julia-sawalha>Julia Sawalha</option> Drop-down list "../news/whatsnew.html" Relative path </EM> Logical tag: emphasize Excel 1. Cell references Named range: Excel updates all cell references in a worksheet, but the text of macros is untouched. Named range unchanged after row/column insertions. Easier to understand formulas or track errors Constant when insert row or column within the range Useful and flexible for macros Absolute cell reference $A$1 Do not change when copied or filled.
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- Spring '14
- Web page, World Wide Web, Web server, relative path, web root folder